1,472 Answered Questions for the topic Linear Equations

Linear Equations Algebra 1

03/16/19

Jim bought 2 books yesterday. The price of one book was 4 times the cost of the other. If both books cost $26.40 altogether, how much was each book?
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Linear Equations Algebra 1

03/16/19

In a survey tasting lemonade, one fifth of the people surveyed were under 25 years old. If 65 people were under 25, how many people were surveyed?
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Linear Equations Algebra 2

03/15/19

Solve the system of linear equations
x+y+z=82x-y+z=103x -z=9
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Linear Equations Linear Algebra

03/15/19

How do I solve the system of linear equations?
3x-3y+6z=15x-2y-z=85x-8y+13z=22If system is dependent express x, y and z in terms of parameter a
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Linear Equations Math Algebra 1 Algebra

03/14/19

The cost c (in dollars) to rent a bicycle is proportional to the number h of hours that you rent a bicycle. It costs $20 to rent the bicycle for 4 hours. Write an equation that represents this.
I have to write an equation that represents the information and interpret the slope.
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Linear Equations Algebra 1

03/14/19

Tickets to a play cost $10 at the door and $8 in advance. The theater club wants to raise at least $800 from the play. Write and graph an inequality for the numbers of tickets sold at the door.
Write and graph an inequality for the number of tickets the theater club needs to sell. Use x to represent the number of tickets sold at the door and y to represent the number of tickets sold in... more
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Linear Equations Math Algebra 2

03/09/19

Suppose an elevator is 400 feet above the ground. It descends at a steady rate. After 15 seconds it is 250 feet above the ground.
a. Write a linear function for height of the elevator as a function of time b. Is it reasonable to include negative numbers in a range?
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Linear Equations Algebra 2

03/07/19

how is the slope of -3 and 1/3 numerically related
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Linear Equations Algebra 2

03/07/19

Find sets of A and B
A= {vIv<=1 } B= {vlv <6} Write A U B and A ∩ B using interval notation. If the set is empty, write ∅
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Linear Equations Algebra 2

03/06/19

Find the value of Y for a given value of X if y varies directly with x.

Find the value of Y for a given value of X if y varies directly with x. If y= -252 when x=84 what is y when x = 74
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Linear Equations

03/06/19

Linear Equation

Pure acid is to be added to a 10% acid solution to obtain 90L of 37% solution. What amount of each should be used?
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Linear Equations

03/05/19

please help me math
A store is having a sale on jelly beans and almonds. For 2 pounds of jelly beans and 3 pounds of almonds, the total cost is $10. For 6pounds of jelly beans and 5 pounds of almonds, the total cost... more
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Linear Equations

03/05/19

for the field trip 4 students rode in cars and the rest filled 9 buses.how many student were in each bus if 472 students were on the trip
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Linear Equations Algebra 2

03/04/19

sum of the digits of a 2 digit number is 11. the given number is les than the number by interchanging the digits by 9 . find the number
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Linear Equations Algebra 2

03/04/19

i am suppose to graph y = lxl -4 with the values of X : -4, -3, -2, -1, 0, 1, 2, 3 and 4

i am suppose to graph y = lxl -4 with the values of X : -4, -3, -2, -1, 0, 1, 2, 3 and 4the absolute value symbol confuses me how do i set a table value ?
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Linear Equations Algebra 2

03/04/19

i am suppose to graph y = -x^2 with the values of X : -3, -2, -1, 0, 1, 2, 3 and 4 i don't how to set the table of values

y = -x^2 with the values of X : -3, -2, -1, 0, 1, 2, 3 and 4i don't know how to set the table of values and finding the y value.
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Linear Equations Algebra 2 Graphing

03/04/19

Solving systems of Linear Equalities
Vance wants to fence in a rectangular area for his dog. He wants the length of the rectangle to be at least 30 feet and the perimeter to be no more than 150 feet.
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Linear Equations Algebra 2

03/03/19

System of linear equations
The solution of a system of linear equations is (2, -4). One equation in the system is 2x + y = 0. Explain how you could find a second equation for the system. Then find a second equation.
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Linear Equations Algebra 2

03/02/19

How to you write the equation of the line right in the form ax + by equals c to help you find an equation of a line
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Linear Equations Math Algebra 2

02/27/19

Math - Linear Relationships - Equations

Walton's Roof Installation and Repair charges a service call fee and an hourly rate for residential repairs. If a 7 hour repair costs $385 and a 6 hour repair costs $341, find a linear model for... more
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Linear Equations Math Statistics

02/26/19

Math - Linear Relationship Equations

Calm Beach Community College had 7402 full-time male students enrolled in 2013 and 6498 full-time male students enrolled in 2005. Create a linear model for the enrollment of full-time male students... more
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Linear Equations Algebra 2

02/25/19

Solve 4x+5<25 and 5x+4>14 write interval notation

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Linear Equations Algebra 2

02/21/19

Applications of linear equations
Angela's text messaging plan charges 30cents for each message over 600 in addition to a $9 base charge. If she owes $36.60 fortext messaging in the month of July, how many text messages did she... more
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Linear Equations Elementary Math

02/20/19

Raul spent b dollars for lunch. Dolly spent 1/ 3 of the amount that Raul spent. a) If c represents the amount Dolly spent, express c in terms of b.
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Linear Equations Algebra 2

02/19/19

The sum of two numbers is 2490. If 6.5% of one number is equal to 8.5%of the other, find the numbers.
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